"The operator of the stricken Japanese nuclear power plant said on Friday that more radioactive water could begin spilling into the sea later this month if there is a glitch in setting up a new decontamination system."

"Japan will pay schools near the quake-ravaged Fukushima nuclear power plant to remove radioactive top soil and set a lower radiation exposure limit for schoolchildren after a growing outcry over health risks."

"Westinghouse Electric Co. and U.S. regulators are wrangling over statements made about the safety of the AP1000 nuclear reactor design, which could be used in at least 14 proposed reactors in the United States."

"The annual G8 Summit concluded this afternoon with agreement among leaders of the world's largest industrial democracies to strengthen nuclear security in view of Japan's ongoing nuclear power plant crisis."

"Nuclear fuel at the stricken Fukushima Daiichi power plant began melting just five hours after Japan’s March 11 earthquake, a Japanese nuclear engineer told a panel of U.S. scientists Thursday."

"The Swiss government decided on Wednesday to phase out nuclear power by 2034 after the Japan disaster shook public confidence in the industry, but said it will not shut any existing power plants prematurely."

"The threat of a catastrophic release of radioactive materials from a spent fuel pool at Japan’s Fukushima Daiichi plant is dwarfed by the risk posed by such pools in the United States, which are typically filled with far more radioactive material, according to a study released on Tuesday by a nonprofit institute."

"In a setback for the only model of nuclear reactor for which ground has been broken in the United States, government regulators have found additional problems with the design of its shield building, a crucial component, the chairman of the Nuclear Regulatory Commission said on Friday."

"The operator of the nuclear power plant at the center of a radiation scare after being disabled by Japan's earthquake and tsunami confirmed Tuesday that there had been meltdowns of fuel rods at three of its reactors."